Experts on the science, lore, and conservation of oaks will come from around the world to speak whenthe International Oak Society holds its triennial conference at The Morton Arboretum in Lisle, Ill., October 18 to 21, 2015. The full schedule and registration are now available at mortonarb.org/ios2015.

The lineup includes experts from France, the United Kingdom, China, Mexico, and the United States presenting research results and other information for those who study, care for and appreciate these beautiful and significant trees. More than 400 species of oaks play a crucial role in ecosystems around the globe.

The keynote address, “Saving Trees from Extinction,” is open to the public on October 18. The keynote speaker is Sara Oldfield, co-chair of the IUCN/SSC Global Tree Specialist Group.

Tours of the Arboretum’s world-renowned oak collection and its oak ecosystem restorations

An acorn exchange

A gala banquet with a talk, "The Echoes of Their Wings: The Life and Legacy of the Passenger Pigeon," by Joel Greenberg, author of A Feathered River Across the Sky and A Natural History of the Chicago Region

The International Oak Society is dedicated to the appreciation, conservation, and study of these magnificent and important trees worldwide. For its 20th anniversary conference, the Society returns to

The Morton Arboretum, where it was founded in 1994. Register now! Learn more here.